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Electron-atomic-hydrogen elastic collisions in the presence of a laser field

par Francken, Philippe ;Joachain, Charles
Référence Physical review. A, Atomic, Molecular, and Optical Physics, 35, 4, page (1590-1594)
Publication Publié, 1987

Article révisé par les pairs

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Résumé :

We study the elastic scattering of fast electrons by atomic hydrogen in the presence of a laser field. Our method takes into account the dressing of the target states by including the laser-atom interaction to first order, while the laser-projectile interaction is treated to all orders. This allows us to treat laser fields which, although weak compared to the atomic unit of field strength, can nevertheless be strong by laboratory standards. In the limit of weak fields our results reduce to those obtained recently by a perturbative approach (in the laser-projectile interaction) for all laser frequencies. © 1987 The American Physical Society.